EP 4142668 A1 20230308 - ADHESIVE ARTICLE AND METHOD OF MAKING SAME
Title (en)
ADHESIVE ARTICLE AND METHOD OF MAKING SAME
Title (de)
KLEBEARTIKEL UND VERFAHREN ZUR HERSTELLUNG DAVON
Title (fr)
ARTICLE ADHÉSIF ET SON PROCÉDÉ DE FABRICATION
Publication
Application
Priority
- US 202063017818 P 20200430
- US 2021029354 W 20210427
Abstract (en)
[origin: WO2021222215A1] Various embodiments of an adhesive article and a method of forming such article are disclosed. The adhesive article includes an active pharmaceutical ingredient; a substrate having a first surface and a second surface including a first area and a second area; and a first adhesive layer disposed on the first area of the second surface of the substrate. The active pharmaceutical ingredient is present in the first adhesive layer at a first concentration. The adhesive article also includes a second adhesive layer having a first portion that is in contact with the first adhesive layer and a second portion that is disposed in the second area of the substrate. The active pharmaceutical ingredient is present in the second adhesive layer at a second concentration. The second concentration is less than the first concentration.
IPC 8 full level
A61F 13/00 (2006.01); A61F 13/02 (2006.01); A61K 9/70 (2006.01)
CPC (source: EP US)
A61F 13/00063 (2013.01 - EP US); A61F 13/025 (2013.01 - EP US); A61F 13/0253 (2013.01 - EP US); A61F 13/0276 (2013.01 - EP); A61F 13/0289 (2013.01 - US); A61K 9/7053 (2013.01 - EP); A61K 9/7061 (2013.01 - EP US); A61F 2013/0071 (2013.01 - EP US); A61F 2013/0296 (2013.01 - EP US)
Citation (search report)
See references of WO 2021222215A1
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
Designated validation state (EPC)
KH MA MD TN
DOCDB simple family (publication)
WO 2021222215 A1 20211104; CN 117202878 A 20231208; EP 4142668 A1 20230308; US 2023165723 A1 20230601
DOCDB simple family (application)
US 2021029354 W 20210427; CN 202180031956 A 20210427; EP 21726270 A 20210427; US 202117921774 A 20210427